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P4 Server Administration Documentation | 2025.2

# Secure the server

System security is a top priority. You can take steps to help protect communications between servers and clients and prevent unauthorized access to the system.

Immediately after you install P4 Server:

1. Set configurables that are related to security. To learn more, see Configurables for security.

2. Learn the concepts and tasks under Access authorization, then Set protections with p4 protect and Grant access to groups of users.

Before you implement additional security measures, carefully study the alternatives to decide which options are the best match for the requirements and resources of your organization:

- Authentication options.

- Encrypted SSL/TLS connections between client and server and Firewalls.

- For SSL/TLS encryped connections in a deployment with replicas or commit-edge architecture, see Create commit and edge server configurations, which explains how to set up a trust file for the service user.
- If you are using a non-standard LDAP server, see Triggering to use external authentication.
- If your organization develops programs that communicate with P4 Server, for both security and runtime efficiency, consider using one of the supported APIs. To learn more, see Programmatic security.

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